Writing this to poll anybody's experience of the bolts at the wind bracing connections (both vertical bracing and plan /roof bracing) becoming loose.
I have a client that owns a number of portal framed "shed" type buildings used for retail purposes. Three of these buildings (in different States...
Simple Question
Are design strengths of concrete in the US based on Cylinder Strength or Cube Crushing Strength.
I am doing some fairly simple design work for a friend building his own house in the US (I am in the UK). The concrete strength he quoted me (3000psi = 20N/m2) seems low compared to...